| Almost anyone can be affected with an allergy, | | | | cases people become allergic to dust mites, which |
| however some factors can contribute to the | | | | can be found in beds and carpets. |
| acquisition of it. | | | | Among drugs that commonly cause allergic reactions |
| Generally allergens enter the body through four main | | | | are penicillin or other antibiotics flu vaccines tetanus |
| routes: the airways, the skin, digestive system, and | | | | toxoid vaccine gamma globulin. |
| the circulatory system. | | | | However, more often people develop allergies to |
| Allergic reaction appears when the immune system | | | | certain food, and more common a food is, the more |
| reacts to a foreign substance such as dust, pollen, | | | | likely it is that people will be allergic to it. For example, |
| bee venom, pet dander or household chemicals. | | | | rice allergy cases are very typical in Japan. Food |
| Tobacco is one of the most important indoor | | | | allergies occur when the body's immune system |
| pollutant, which is strongly associated with allergic | | | | overreacts to substances in a particular food. High in |
| sensitization, asthma , and other respiratory illnesses. | | | | minerals foods such as molasses, shellfish, wheat, |
| It may affect even an infant if the mother is a | | | | corn and soy are rich in copper, which can result in |
| constant smoker. | | | | allergies. Common food allergens include the following: |
| Airborne allergens from household pets are another | | | | cow's milk, eggs, nuts, fish, and legumes peanuts and |
| common source of environmental exposure. In | | | | soybeans. The typical allergic reaction in this case |
| contact with the skin, they can cause reddening, | | | | includes itching and swelling of the lips and throat, |
| itching, and blistering, called contact dermatitis. | | | | cramps, and diarrhea. |
| Sometimes the increased amount of toxic metals | | | | Most individuals suffer from allergies because they |
| such as lead, mercury and cadmium in the body can | | | | are not producing adequate amounts of adrenal gland |
| cause allergies, when the chemicals replace vital | | | | hormones. |
| nutrients that the body requires to defend itself | | | | An adrenal insufficiency is the main cause of allergies |
| against allergic reactions. | | | | to pollen, dusts, molds, animal hair, foods and |
| Insect bites and stings or injection of drugs also may | | | | environmental chemicals. |
| bring allergens directly into the circulation, where they | | | | The severity of allergies varies from person to |
| cause anaphylaxis, swelling and irritation at the | | | | person and can range from minor irritation to |
| injection place. Bees, wasps, and hornets mosquitoes | | | | anaphylaxis a potentially life-threatening emergency. |
| fleas scabies may contribute to allergy. In come | | | | |